Hi, guys! It’s Masa from Japan2U!!
I teach REAL Japanese phrases and help understand the phrases easier with casual and formal example sentences!
Today’s phrase is “brush my teeth.”
Are you ready!?
行(い)くよ!
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How do you say “Brush My Teeth” in Japanese?
We have two ways to say, “brush my teeth.”
- 歯(は)を磨(みが)く
- 歯(は)磨(みが)きをする
Both are the same meaning. I’ll explain them one by one!
歯(は)を磨(みが)く
歯(は) = teeth
磨(みが)く = brush
We don’t have the plural words, so 歯(は) means both tooth and teeth.
Example Sentences (Casual)
A:歯(は)を磨(みが)いた?
B:まだだね。A:Did you brush your teeth?
B:Not yet.
A:一日(いちにち)に三回 (さんかい)、歯(は)を磨(みが)いたほうがいいよ。
B:なんで?A:You should brush your teeth three times a day.
B:Why?
Example Sentences (Formal)
A:今朝(けさ)、歯(は)を磨(みが)きました?
B:磨(みが)きましたよ。A:Did you brush your teeth this morning?
B:Yes, I did.
A:歯(は)を毎日(まいにち)磨(みが)く事(こと)が、虫歯(むしば)予防(よぼう)になります。
A:Brushing teeth every day prevents teeth from decaying.
歯磨(はみが)きをする
歯磨(はみが)き = brushing one’s teeth
する = do
歯磨(はみが)きをする and 歯(は)を磨(みが)く are the same meaning.
The only difference is a noun and a verb.
When we say 歯磨(はみが)きをする, 歯磨(はみが)き is a noun and する is a verb.
When we say 歯(は)を磨(みが)く, 歯(は) is a noun and 磨(みが)く is a verb.
Example Sentences (Casual)
A:ご飯(はん)食(た)べたから、歯磨(はみが)きをしたい。
B:トイレに行(い)ってきたら?A:I want to brush my teeth as I have had a meal.
B:Why don’t you go to the restroom?
A:歯磨(はみが)きして寝(ね)てね。
B:分(わ)かった、お母(かあ)さん。A:Brush your teeth before you go to bed.
B:Okay, mom.
Example Sentences (Formal)
A:歯磨(はみが)きをする前(まえ)にこの薬(くすり)を飲(の)んでください。
B:分(わ)かりました。A:Take this medicine before you brush your teeth.
B:Alright.
A:毎日(まいにち)、歯磨(はみが)きをしていますか?
B:していません。A:Do you brush your teeth every day?
B:No, I don’t.
Summary
- 歯(は)を磨(みが)く
- 歯(は)磨(みが)きをする
We don’t say 歯(は)を洗(あら)う (washing teeth.)

またね!
おまけ Extras
歯磨(はみが)き粉(こ) = tooth paste
フロス = fross
歯医者(はいしゃ) = dentist
つまようじ = toothpick
You can learn more daily Japanese here!!
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